1641969

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 2758080

約数和(自身を除く): 1116111

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 389, 469, 603, 1167, 1407, 2723, 3501, 4221, 8169, 24507, 26063, 78189, 182441, 234567, 547323, 1641969]

約数ペア:

[(1, 1641969), (3, 547323), (7, 234567), (9, 182441), (21, 78189), (63, 26063), (67, 24507), (201, 8169), (389, 4221), (469, 3501), (603, 2723), (1167, 1407)]